Liters to fluid ounces (US labeling) conversion calculator shown above calculates how many fluid ounces (US labeling) are in 'X' liters (where 'X' is the number of liters to convert to fluid ounces (US labeling)). In order to convert a value from liters to fluid ounces (US labeling) (from L to fl oz) type the number of L to be converted to fl oz and then click on the 'convert' button.